imx6 uart wakeup

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imx6 uart wakeup

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ilyyxfe
Contributor I

i use the imx6sllevk.

i tap the follow contents by shell.

cd /sys/class/tty/ttymxc0/power
echo enabled > wakeup
cd /sys/class/tty/ttymxc1/power
echo enabled > wakeup
cd /sys/power
echo mem > state

the system can go into the sleep mode.

but the whole process going into the sleep mode takes 80ms .

during this time if i sent data to bsp by  ttymxc1, it can not stop going to the sleep mode.

i consider wakeup_count can resolve the problem.  

how to set it or any other way can stop it?

pls give me advice.

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fangfang
NXP TechSupport
NXP TechSupport

Hello,

Please refer to the attachment  as sect.21.1.5 Unit Test. and one can use imx-test (unit test)
www.nxp.com/lgfiles/NMG/MAD/YOCTO/imx-test-5.7.tar.gz
and Demo Images on

https://www.nxp.com/webapp/Download?colCode=L4.1.15_2.0.0_MX6SLEVK&appType=license&location=null

Hope it help you.
Have a great day,
TIC

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